arch/arm/mach-omap1/board-h3.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-h3.c
   3  *
   4  * This file contains OMAP1710 H3 specific code.
   5  *
   6  * Copyright (C) 2004 Texas Instruments, Inc.
   7  * Copyright (C) 2002 MontaVista Software, Inc.
   8  * Copyright (C) 2001 RidgeRun, Inc.
   9  * Author: RidgeRun, Inc.
  10  *         Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #include <linux/types.h>
  18 #include <linux/init.h>
  19 #include <linux/major.h>
  20 #include <linux/kernel.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/errno.h>
  23 #include <linux/workqueue.h>
  24 #include <linux/i2c.h>
  25 #include <linux/mtd/mtd.h>
  26 #include <linux/mtd/nand.h>
  27 #include <linux/mtd/partitions.h>
  28 #include <linux/input.h>
  29 #include <linux/spi/spi.h>
  30 #include <linux/i2c/tps65010.h>
  31 #include <linux/smc91x.h>
  32
  33 #include <asm/setup.h>
  34 #include <asm/page.h>
  35 #include <mach/hardware.h>
  36 #include <asm/gpio.h>
  37
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/flash.h>
  41 #include <asm/mach/map.h>
  42
  43 #include <mach/irqs.h>
  44 #include <plat/mux.h>
  45 #include <plat/tc.h>
  46 #include <plat/usb.h>
  47 #include <plat/keypad.h>
  48 #include <plat/dma.h>
  49 #include <plat/common.h>
  50
  51 #include "board-h3.h"
  52
  53 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
  54 #define OMAP1710_ETHR_START             0x04000300
  55
  56 #define H3_TS_GPIO      48
  57
  58 static int h3_keymap[] = {
  59         KEY(0, 0, KEY_LEFT),
  60         KEY(0, 1, KEY_RIGHT),
  61         KEY(0, 2, KEY_3),
  62         KEY(0, 3, KEY_F10),
  63         KEY(0, 4, KEY_F5),
  64         KEY(0, 5, KEY_9),
  65         KEY(1, 0, KEY_DOWN),
  66         KEY(1, 1, KEY_UP),
  67         KEY(1, 2, KEY_2),
  68         KEY(1, 3, KEY_F9),
  69         KEY(1, 4, KEY_F7),
  70         KEY(1, 5, KEY_0),
  71         KEY(2, 0, KEY_ENTER),
  72         KEY(2, 1, KEY_6),
  73         KEY(2, 2, KEY_1),
  74         KEY(2, 3, KEY_F2),
  75         KEY(2, 4, KEY_F6),
  76         KEY(2, 5, KEY_HOME),
  77         KEY(3, 0, KEY_8),
  78         KEY(3, 1, KEY_5),
  79         KEY(3, 2, KEY_F12),
  80         KEY(3, 3, KEY_F3),
  81         KEY(3, 4, KEY_F8),
  82         KEY(3, 5, KEY_END),
  83         KEY(4, 0, KEY_7),
  84         KEY(4, 1, KEY_4),
  85         KEY(4, 2, KEY_F11),
  86         KEY(4, 3, KEY_F1),
  87         KEY(4, 4, KEY_F4),
  88         KEY(4, 5, KEY_ESC),
  89         KEY(5, 0, KEY_F13),
  90         KEY(5, 1, KEY_F14),
  91         KEY(5, 2, KEY_F15),
  92         KEY(5, 3, KEY_F16),
  93         KEY(5, 4, KEY_SLEEP),
  94         0
  95 };
  96
  97
  98 static struct mtd_partition nor_partitions[] = {
  99         /* bootloader (U-Boot, etc) in first sector */
 100         {
 101               .name             = "bootloader",
 102               .offset           = 0,
 103               .size             = SZ_128K,
 104               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 105         },
 106         /* bootloader params in the next sector */
 107         {
 108               .name             = "params",
 109               .offset           = MTDPART_OFS_APPEND,
 110               .size             = SZ_128K,
 111               .mask_flags       = 0,
 112         },
 113         /* kernel */
 114         {
 115               .name             = "kernel",
 116               .offset           = MTDPART_OFS_APPEND,
 117               .size             = SZ_2M,
 118               .mask_flags       = 0
 119         },
 120         /* file system */
 121         {
 122               .name             = "filesystem",
 123               .offset           = MTDPART_OFS_APPEND,
 124               .size             = MTDPART_SIZ_FULL,
 125               .mask_flags       = 0
 126         }
 127 };
 128
 129 static struct flash_platform_data nor_data = {
 130         .map_name       = "cfi_probe",
 131         .width          = 2,
 132         .parts          = nor_partitions,
 133         .nr_parts       = ARRAY_SIZE(nor_partitions),
 134 };
 135
 136 static struct resource nor_resource = {
 137         /* This is on CS3, wherever it's mapped */
 138         .flags          = IORESOURCE_MEM,
 139 };
 140
 141 static struct platform_device nor_device = {
 142         .name           = "omapflash",
 143         .id             = 0,
 144         .dev            = {
 145                 .platform_data  = &nor_data,
 146         },
 147         .num_resources  = 1,
 148         .resource       = &nor_resource,
 149 };
 150
 151 static struct mtd_partition nand_partitions[] = {
 152 #if 0
 153         /* REVISIT: enable these partitions if you make NAND BOOT work */
 154         {
 155                 .name           = "xloader",
 156                 .offset         = 0,
 157                 .size           = 64 * 1024,
 158                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 159         },
 160         {
 161                 .name           = "bootloader",
 162                 .offset         = MTDPART_OFS_APPEND,
 163                 .size           = 256 * 1024,
 164                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 165         },
 166         {
 167                 .name           = "params",
 168                 .offset         = MTDPART_OFS_APPEND,
 169                 .size           = 192 * 1024,
 170         },
 171         {
 172                 .name           = "kernel",
 173                 .offset         = MTDPART_OFS_APPEND,
 174                 .size           = 2 * SZ_1M,
 175         },
 176 #endif
 177         {
 178                 .name           = "filesystem",
 179                 .size           = MTDPART_SIZ_FULL,
 180                 .offset         = MTDPART_OFS_APPEND,
 181         },
 182 };
 183
 184 static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 185 {
 186         struct nand_chip *this = mtd->priv;
 187         unsigned long mask;
 188
 189         if (cmd == NAND_CMD_NONE)
 190                 return;
 191
 192         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
 193         if (ctrl & NAND_ALE)
 194                 mask |= 0x04;
 195         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
 196 }
 197
 198 #define H3_NAND_RB_GPIO_PIN     10
 199
 200 static int nand_dev_ready(struct mtd_info *mtd)
 201 {
 202         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
 203 }
 204
 205 static const char *part_probes[] = { "cmdlinepart", NULL };
 206
 207 struct platform_nand_data nand_platdata = {
 208         .chip   = {
 209                 .nr_chips               = 1,
 210                 .chip_offset            = 0,
 211                 .nr_partitions          = ARRAY_SIZE(nand_partitions),
 212                 .partitions             = nand_partitions,
 213                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 214                 .part_probe_types       = part_probes,
 215         },
 216         .ctrl   = {
 217                 .cmd_ctrl       = nand_cmd_ctl,
 218                 .dev_ready      = nand_dev_ready,
 219
 220         },
 221 };
 222
 223 static struct resource nand_resource = {
 224         .flags          = IORESOURCE_MEM,
 225 };
 226
 227 static struct platform_device nand_device = {
 228         .name           = "gen_nand",
 229         .id             = 0,
 230         .dev            = {
 231                 .platform_data  = &nand_platdata,
 232         },
 233         .num_resources  = 1,
 234         .resource       = &nand_resource,
 235 };
 236
 237 static struct smc91x_platdata smc91x_info = {
 238         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 239         .leda   = RPC_LED_100_10,
 240         .ledb   = RPC_LED_TX_RX,
 241 };
 242
 243 static struct resource smc91x_resources[] = {
 244         [0] = {
 245                 .start  = OMAP1710_ETHR_START,          /* Physical */
 246                 .end    = OMAP1710_ETHR_START + 0xf,
 247                 .flags  = IORESOURCE_MEM,
 248         },
 249         [1] = {
 250                 .start  = OMAP_GPIO_IRQ(40),
 251                 .end    = OMAP_GPIO_IRQ(40),
 252                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 253         },
 254 };
 255
 256 static struct platform_device smc91x_device = {
 257         .name           = "smc91x",
 258         .id             = 0,
 259         .dev    = {
 260                 .platform_data  = &smc91x_info,
 261         },
 262         .num_resources  = ARRAY_SIZE(smc91x_resources),
 263         .resource       = smc91x_resources,
 264 };
 265
 266 #define GPTIMER_BASE            0xFFFB1400
 267 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 268 #define GPTIMER_REGS_SIZE       0x46
 269
 270 static struct resource intlat_resources[] = {
 271         [0] = {
 272                 .start  = GPTIMER_REGS(0),            /* Physical */
 273                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 274                 .flags  = IORESOURCE_MEM,
 275         },
 276         [1] = {
 277                 .start  = INT_1610_GPTIMER1,
 278                 .end    = INT_1610_GPTIMER1,
 279                 .flags  = IORESOURCE_IRQ,
 280         },
 281 };
 282
 283 static struct platform_device intlat_device = {
 284         .name      = "omap_intlat",
 285         .id          = 0,
 286         .num_resources  = ARRAY_SIZE(intlat_resources),
 287         .resource       = intlat_resources,
 288 };
 289
 290 static struct resource h3_kp_resources[] = {
 291         [0] = {
 292                 .start  = INT_KEYBOARD,
 293                 .end    = INT_KEYBOARD,
 294                 .flags  = IORESOURCE_IRQ,
 295         },
 296 };
 297
 298 static struct omap_kp_platform_data h3_kp_data = {
 299         .rows           = 8,
 300         .cols           = 8,
 301         .keymap         = h3_keymap,
 302         .keymapsize     = ARRAY_SIZE(h3_keymap),
 303         .rep            = 1,
 304         .delay          = 9,
 305         .dbounce        = 1,
 306 };
 307
 308 static struct platform_device h3_kp_device = {
 309         .name           = "omap-keypad",
 310         .id             = -1,
 311         .dev            = {
 312                 .platform_data = &h3_kp_data,
 313         },
 314         .num_resources  = ARRAY_SIZE(h3_kp_resources),
 315         .resource       = h3_kp_resources,
 316 };
 317
 318 static struct platform_device h3_lcd_device = {
 319         .name           = "lcd_h3",
 320         .id             = -1,
 321 };
 322
 323 static struct spi_board_info h3_spi_board_info[] __initdata = {
 324         [0] = {
 325                 .modalias       = "tsc2101",
 326                 .bus_num        = 2,
 327                 .chip_select    = 0,
 328                 .irq            = OMAP_GPIO_IRQ(H3_TS_GPIO),
 329                 .max_speed_hz   = 16000000,
 330                 /* .platform_data       = &tsc_platform_data, */
 331         },
 332 };
 333
 334 static struct platform_device *devices[] __initdata = {
 335         &nor_device,
 336         &nand_device,
 337         &smc91x_device,
 338         &intlat_device,
 339         &h3_kp_device,
 340         &h3_lcd_device,
 341 };
 342
 343 static struct omap_usb_config h3_usb_config __initdata = {
 344         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 345         .otg        = 2,
 346
 347 #ifdef CONFIG_USB_GADGET_OMAP
 348         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 349 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 350         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 351         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 352 #endif
 353
 354         .pins[1]        = 3,
 355 };
 356
 357 static struct omap_lcd_config h3_lcd_config __initdata = {
 358         .ctrl_name      = "internal",
 359 };
 360
 361 static struct omap_board_config_kernel h3_config[] __initdata = {
 362         { OMAP_TAG_LCD,         &h3_lcd_config },
 363 };
 364
 365 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
 366        {
 367                 I2C_BOARD_INFO("tps65013", 0x48),
 368                /* .irq         = OMAP_GPIO_IRQ(??), */
 369        },
 370         {
 371                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 372                 .irq            = OMAP_GPIO_IRQ(14),
 373         },
 374 };
 375
 376 static void __init h3_init(void)
 377 {
 378         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 379          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 380          * notice whether a NAND chip is enabled at probe time.
 381          *
 382          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
 383          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
 384          * to avoid probing every possible flash configuration...
 385          */
 386         nor_resource.end = nor_resource.start = omap_cs3_phys();
 387         nor_resource.end += SZ_32M - 1;
 388
 389         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
 390         nand_resource.end += SZ_4K - 1;
 391         if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
 392                 BUG();
 393         gpio_direction_input(H3_NAND_RB_GPIO_PIN);
 394
 395         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
 396         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
 397         omap_cfg_reg(V2_1710_GPIO10);
 398
 399         platform_add_devices(devices, ARRAY_SIZE(devices));
 400         spi_register_board_info(h3_spi_board_info,
 401                                 ARRAY_SIZE(h3_spi_board_info));
 402         omap_board_config = h3_config;
 403         omap_board_config_size = ARRAY_SIZE(h3_config);
 404         omap_serial_init();
 405         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
 406                               ARRAY_SIZE(h3_i2c_board_info));
 407         omap_usb_init(&h3_usb_config);
 408         h3_mmc_init();
 409 }
 410
 411 static void __init h3_init_smc91x(void)
 412 {
 413         omap_cfg_reg(W15_1710_GPIO40);
 414         if (gpio_request(40, "SMC91x irq") < 0) {
 415                 printk("Error requesting gpio 40 for smc91x irq\n");
 416                 return;
 417         }
 418 }
 419
 420 static void __init h3_init_irq(void)
 421 {
 422         omap1_init_common_hw();
 423         omap_init_irq();
 424         omap_gpio_init();
 425         h3_init_smc91x();
 426 }
 427
 428 static void __init h3_map_io(void)
 429 {
 430         omap1_map_common_io();
 431 }
 432
 433 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 434         /* Maintainer: Texas Instruments, Inc. */
 435         .phys_io        = 0xfff00000,
 436         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 437         .boot_params    = 0x10000100,
 438         .map_io         = h3_map_io,
 439         .init_irq       = h3_init_irq,
 440         .init_machine   = h3_init,
 441         .timer          = &omap_timer,
 442 MACHINE_END